HOMEVULNERABILITIESCVE-2023-5915
MEDIUM

CVE-2023-5915

CWE-400Published: December 1, 2023· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

A vulnerability of Uncontrolled Resource Consumption has been identified in STARDOM provided by Yokogawa Electric Corporation. This vulnerability may allow to a remote attacker to cause a denial-of-service condition to the FCN/FCJ controller by sending a crafted packet. While sending the packet, the maintenance homepage of the controller could not be accessed. Therefore, functions of the maintenance homepage, changing configuration, viewing logs, etc. are not available. But the controller’s operation is not stopped by the condition.

The affected products and versions are as follows: STARDOM FCN/FCJ R1.01 to R4.31.

NVD Source

Technical Analysis

CVE-2023-5915 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected Vendors & Products

yokogawa4 product(s)
stardom fcj firmwarestardom fcjstardom fcn firmwarestardom fcn
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jvn.jp/vu/JVNVU95177889/index.html
ADVISORYhttps://web-material3.yokogawa.com/1/35463/files/YSAR-23-0003-E.pdf
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-334-02
ADVISORYhttps://jvn.jp/vu/JVNVU95177889/index.html
ADVISORYhttps://web-material3.yokogawa.com/1/35463/files/YSAR-23-0003-E.pdf
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-23-334-02

All References (6)

→
https://jvn.jp/vu/JVNVU95177889/index.htmlMitigation · Third Party Advisory
→
https://web-material3.yokogawa.com/1/35463/files/YSAR-23-0003-E.pdfMitigation · Vendor Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-02Mitigation · Third Party Advisory · US Government Resource
→
https://jvn.jp/vu/JVNVU95177889/index.htmlMitigation · Third Party Advisory
→
https://web-material3.yokogawa.com/1/35463/files/YSAR-23-0003-E.pdfMitigation · Vendor Advisory
→
https://www.cisa.gov/news-events/ics-advisories/icsa-23-334-02Mitigation · Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2023-5915
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-400
CISA KEVNo
Affected1 vendor(s)
PublishedDec 1, 2023

Related CVEs (CWE-400)

CVE-2026-30141
9.8
CVE-2017-9119
9.8
CVE-2013-20004
9.8
CVE-2024-45166
9.8
CVE-2017-9104
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CVE-2015-4412
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Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-5915 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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